using_videodir.py 文件源码

def shuffle2(self):
        a=os.listdir(self.path)
        filename=os.path.join(self.path,a[int(random.random()*len(a))])
        self.video=cv2.VideoCapture(filename)
        n=self.video.get(cv.CV_CAP_PROP_FRAME_COUNT)
        self.currpos=int(random.random()*n)
        self.video.set(cv.CV_CAP_PROP_POS_FRAMES,self.currpos)